72868746 has 48 divisors (see below), whose sum is σ = 154050336. Its totient is φ = 22958208.

The previous prime is 72868729. The next prime is 72868751. The reversal of 72868746 is 64786827.

It is a super-2 number, since 2×72868746² = 10619708287225032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72868695 and 72868704.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 998166 + ... + 998238.

It is an arithmetic number, because the mean of its divisors is an integer number (3209382).

Almost surely, 2^72868746 is an apocalyptic number.

72868746 is an abundant number, since it is smaller than the sum of its proper divisors (81181590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72868746 is a wasteful number, since it uses less digits than its factorization.

72868746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 174 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 72868746 is about 8536.3192302069. The cubic root of 72868746 is about 417.6832876368.

The spelling of 72868746 in words is "seventy-two million, eight hundred sixty-eight thousand, seven hundred forty-six".